Circle Review

A segment that connects the center of a circle with a point on the circle.

• tangent
• secant
• diameter
• radius

A segment connecting two points on a circle that passes through the center.

• diameter
• radius
• secant
• tangent

A segment that connects two points on a circle; may or may not pass through the center of the circle.

• tangent
• secant
• chord
• diameter

A line that intersects a circle in just one point.

• tangent
• chord
• secant
• radius

A line that intersects a circle twice

• chord
• radius
• secant
• tangent

What is the name for the distance around a circle?

• Diameter
• Radius
• Circumference
• Chord

An arc is a smaller piece of the...

• Chord
• Center
• Circumference
• Radius

A circle is named after its what?

• Center
• Arc
• Circumference
• Secant

The diameter of a circle is 10 in.

What is its radius?

• 20 in.

• 5 in.

• 10

• Not enough information

Which of the following formulas is used to find the area of a circle?

• A= 2πr

• A= πd

• A=πr²

• A=πd²